Longkou Jingyi Industry and Trade Co., Ltd. was the first enterprise in Longkou City to work on the production of the powder metallurgy. With the decades of experience in the production of the powder metallurgy, it owns Longkou Jingyi Powder Metallurgy Co., Ltd. and Longkou Jingyi Heat Treatment Center.It has over 100 sets of production equipments and over 20 automatic powder metallurgy rolling mills (from 6 tons to 315 tons). It mainly produces copper-based, iron-based and stainless steel powder metallurgy products and all kinds of high-strength powder metallurgy structural parts, which are widely used in textile machinery, electric power tools, auto parts, household appliances, hardware tools, wood-working machinery, printing machinery, etc. The products are exported to Japan, the USA, India, Singapore, etc.The heat treatment center has automatic vacuum furnaces, mesh belt furnaces, carburizing furnaces, high-frequency furnaces, etc. It mainly supplies heat treatment processing to... [詳細(xì)介紹]